XeroTop pick
The accounting software Saaskly's own company runs on, and the one most UK accountants will happily work in.
Scored plan: £39/mo (Grow)Entry plan: £18/mo (Ignite)Intro offer: 90% off for 6 months, or one month free
4.4out of 5
Accounting Software
Accounting software compared on whether HMRC recognises it for Making Tax Digital, whether your accountant will work in it, how well bank feeds and payment collection work, what it plugs into (payroll, receipt capture, an API and an MCP server), and what it costs once the introductory discount ends.
11 platforms reviewedLeader: Xero, 4.4 / 5Annual and month-to-month prices
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The other giant, and the one with a UK phone line seven days a week and a free accountant seat on every plan.
Scored plan: £38/mo (Essentials)Entry plan: £16/mo (Simple Start)Intro offer: 90% off for 6 months
4.1out of 5
Free for as long as you bank with NatWest, Royal Bank of Scotland, Ulster Bank or Mettle, with payroll and the year-end filings built in.
Scored plan: £33/mo · £27.50 annual (Limited Company)Entry plan: £19/mo (Sole Trader)Intro offer: 50% off for 6 months (or the first year on annual billing)
4.0out of 5
The UK incumbent, with payroll, Sage Copilot and telephone support bundled into every plan.
Scored plan: £43/mo (Standard)Entry plan: £20/mo (Start)Intro offer: 90% off for 6 months, or one month free
3.8out of 5
The cheapest full ledger here, with a real free plan, an accountant seat and a UK phone line.
Scored plan: £12/mo · £10 annual (Standard)Entry plan: £12/mo (Standard)Sole trader plan: Free
3.7out of 5
UK-built and UK-supported since 2008, with phone support on every company plan and a free Making Tax Digital plan for sole traders and landlords.
Scored plan: £34/mo · £30.60 annual (Medium)Entry plan: £16/mo (Small)Intro offer: 50% off the first 3 months; 10% off yearly, 20% off two-yearly
3.6out of 5
Free forever, and the free plan is the real product: unlimited users, bank feeds, VAT returns and Making Tax Digital submissions on UK servers.
Scored plan: FreeEntry plan: FreeSole trader plan: Free
3.5out of 5
Free up to a thousand ledger entries a year, with unlimited users, multi-currency and a 4.8 Trustpilot on more than three thousand reviews.
Scored plan: £5/mo annual only (L and XL, £60 a year)Entry plan: Free (XS to M)Sole trader plan: None
3.4out of 5
The invoicing-first choice for a service business or freelancer, with time tracking, projects, estimates and card payments built in.
Scored plan: £30/mo · £27 annual (Plus)Entry plan: £16/mo (Lite)Intro offer: 50% off for 3 months (90% off in a timed offer on 8 Sep 2026)
3.1out of 5
An accountancy practice with its own software: the Pro plan bundles a dedicated accountant, VAT, payroll and year-end accounts, which makes it a different product from the rest of this page.
Scored plan: £94/mo · £84.60 annual (Pro (limited company))Entry plan: £4/mo (Lite)Sole trader plan: £27/mo (Pro (sole trader))
2.9out of 5
A UK product from 2005 that its owner, IRIS, is now winding down; we would not start a new set of books here.
Scored plan: £27.50/mo · £14.83 annual (Business)Entry plan: £13.50/mo (Starter)Intro offer: 90% off for 6 months
2.6out of 5